在javascript中按键名对对象数组进行排序

Question

How do I sort this array:

[{"qwe":4}, {"rty":5}, {"asd":2}]

To get this:

[{"asd":2}, {"qwe":4}, {"rty":5}]

So that the array is sorted by the name of the key of the objects?

Answer 1

Something like this using Array.sort(compareFunction) ?

var myArray =[{"qwe":4}, {"rty":5}, {"asd":2}];
myArray.sort(function(a,b){
    return (Object.keys(a)[0] > Object.keys(b)[0]) - 0.5;
});
console.log(myArray);

Demo